general science

Biology MCQ Questions and Answers Page - 4

1.

Which of the following is the smallest bird  ?

Answer/ Hint      

Answer : C

Explanation :

2.

For how many years have the dinosaurs been extinct  ?

Answer/ Hint      

Answer : B

Explanation :

3.

Which phenomenon do bats or dolphins use to find prey, predators or obstacles  ?

Answer/ Hint      

Answer : D

Explanation :

4.

‘Cod’  is a variety of

Answer/ Hint      

Answer : B

Explanation :

5.

The smallest flowering plant is  :

Answer/ Hint      

Answer : A

Explanation :

6.

Birds which swim in water have –

Answer/ Hint      

Answer : A

Explanation :

7.

The process of preventing the birds from flying is called

Answer/ Hint      

Answer : A

Explanation :

8.

Columba livia is the scientific name of

Answer/ Hint      

Answer : A

Explanation :

9.

The tusk of elephant is an enormously enlarged  :

Answer/ Hint      

Answer : A

Explanation :

10.

In  ‘Scorpion’, poison is present in the

Answer/ Hint      

Answer : D

Explanation :

11.

Number of Eyes in an Earthworm is –

Answer/ Hint      

Answer : D

Explanation :

12.

The nitrogen in the ecosystem is circulated by –

Answer/ Hint      

Answer : B

Explanation :

13.

Liver-oil of fish is rich in

Answer/ Hint      

Answer : A

Explanation :

14.

Which of the following does not provide any energy  ?

Answer/ Hint      

Answer : C

Explanation :

15.

Free-living nitrogen fixing micro-organisms are

Answer/ Hint      

Answer : A

Explanation :

16.

What is true about viruses without exception  ?

Answer/ Hint      

Answer : D

Explanation :

17.

Which of the following groups of organisms digest their food before it actually enters the organism  ?

Answer/ Hint      

Answer : B

Explanation :

18.

Which of the following groups of organisms reproduce faster  ?

Answer/ Hint      

Answer : C

Explanation :

19.

The largest flightless bird which can run at a great speed is

Answer/ Hint      

Answer : C

Explanation :

20.

The population of which of the following is maximum on the earth  ?

Answer/ Hint      

Answer : C

Explanation :

21.

A plant with fibrous root system is  :

Answer/ Hint      

Answer : A

Explanation :

22.

Which of the following is a coldblooded animal  ?

Answer/ Hint      

Answer : B

Explanation :

23.

A warm-blooded animal is

Answer/ Hint      

Answer : C

Explanation :

24.

Aquatic animal with the most developed intelligence is

Answer/ Hint      

Answer : A

Explanation :

25.

Which one of the following is not a true fish  ?

Answer/ Hint      

Answer : B

Explanation :

26.

Which of the following animals has a clitellum  ?

Answer/ Hint      

Answer : C

Explanation :

27.

Mycoplasma is associated with a disease that affects the organs of

Answer/ Hint      

Answer : A

Explanation :

28.

Which of the following pairs has open type of circulatory system  ?

Answer/ Hint      

Answer : C

Explanation :

29.

Which of the following animals does  NOT  have nervous system  ?

Answer/ Hint      

Answer : C

Explanation :

30.

Which of the following vertebrates lack exoskeleton  ?

Answer/ Hint      

Answer : D

Explanation :

31.

Osteocytes are found in

Answer/ Hint      

Answer : A

Explanation :

32.

The only bird that flies backward is

Answer/ Hint      

Answer : D

Explanation :

33.

‘Pigeon milk’  is produced by

Answer/ Hint      

Answer : B

Explanation :

34.

In which one of the following is swim bladder absent  ?

Answer/ Hint      

Answer : C

Explanation :

35.

The example of hermaphrodite animal in which cross fertilisation occurs is

Answer/ Hint      

Answer : C

Explanation :

36.

Blubber is

Answer/ Hint      

Answer : B

Explanation :

37.

Which of the following is an egg laying mammal  ?

Answer/ Hint      

Answer : D

Explanation :

38.

The colour change in the Chameleon is due to the presence of

Answer/ Hint      

Answer : B

Explanation :

39.

Air bladder in fish acts as  :

Answer/ Hint      

Answer : B

Explanation :

40.

Cockroach cannot survive in the water because its respiratory organ is

Answer/ Hint      

Answer : B

Explanation :

41.

Blue-green algae are included in the group

Answer/ Hint      

Answer : B

Explanation :

42.

Normally animals can change the place, but which one of the following animals cannot change the place  ?

Answer/ Hint      

Answer : B

Explanation :

43.

An invertebrate does not have

Answer/ Hint      

Answer : A

Explanation :

44.

Types of vertebrate animals which creep and crawl are called  :

Answer/ Hint      

Answer : D

Explanation :

45.

Bio-diesel is mostly produced by  :

Answer/ Hint      

Answer : D

Explanation :

46.

Flowerless plants are termed as  :

Answer/ Hint      

Answer : D

Explanation :

47.

Jaws are absent in  :

Answer/ Hint      

Answer : C

Explanation :

48.

Among the following sets of salient features, which set does not exclusively characterize mammals  ?

Answer/ Hint      

Answer : C

Explanation :

49.

Which one of the following is an indicator of air pollution  ?

Answer/ Hint      

Answer : D

Explanation :

50.

The larvae of cockroach is called

Answer/ Hint      

Answer : B

Explanation :

51.

Which one of the following substances is normally found in urine  ?

Answer/ Hint      

Answer : B

Explanation :

52.

The thymus gland produces a hormone called

Answer/ Hint      

Answer : B

Explanation :

53.

Blood group  AB  has

Answer/ Hint      

Answer : B

Explanation :

54.

Which Vitamins are those, if taken in excess can be dangerous as they are stored in the body  ?

Answer/ Hint      

Answer : D

Explanation :

55.

Children especially in western countries who receive very little sunshine suffer from

Answer/ Hint      

Answer : A

Explanation :

56.

A universal donor has the blood group

Answer/ Hint      

Answer : C

Explanation :

57.

What are Lipids  ?

Answer/ Hint      

Answer : D

Explanation :

58.

Which of the following is known as animal starch  ?

Answer/ Hint      

Answer : A

Explanation :

59.

Which of the following is the longest vein in the human body  ?

Answer/ Hint      

Answer : C

Explanation :

60.

Which one of the following is also called as milk sugar  ?

Answer/ Hint      

Answer : D

Explanation :

61.

Which is the largest blood vessel in human body  ?

Answer/ Hint      

Answer : A

Explanation :

62.

Copper is associated with  _____________  mitochondrial enzymes.

Answer/ Hint      

Answer : A

Explanation :

63.

The name of the longest muscle in human body is

Answer/ Hint      

Answer : A

Explanation :

64.

Motor skills are associated with which part of the brain  ?

Answer/ Hint      

Answer : A

Explanation :

65.

Which lobe of human brain is associated with hearing  ?

Answer/ Hint      

Answer : C

Explanation :

66.

In mammals, an important role of excretion is played by

Answer/ Hint      

Answer : B

Explanation :

67.

Morphology of Chromosomes can be best studied at

Answer/ Hint      

Answer : C

Explanation :

68.

The largest artery in human body is

Answer/ Hint      

Answer : A

Explanation :

69.

Which of the following vitamins are water soluble  ?

Answer/ Hint      

Answer : B

Explanation :

70.

Gustation refers to the sense of which of the following  ?

Answer/ Hint      

Answer : D

Explanation :

71.

Which of the digestive organs contains acid  ?

Answer/ Hint      

Answer : B

Explanation :

72.

Haematopoiesis take place in

Answer/ Hint      

Answer : D

Explanation :

73.

____________  is a hormone that regulates the amount of glucose in the blood

Answer/ Hint      

Answer : D

Explanation :

74.

Which part of brain is also known as  “little brain”  ?

Answer/ Hint      

Answer : B

Explanation :

75.

Increased  RBC’s in the blood leads to a condition called

Answer/ Hint      

Answer : C

Explanation :

76.

Which cells in pancreas produce Insulin  ?

Answer/ Hint      

Answer : D

Explanation :

77.

Eustachian Tube is located in which part of human body  ?

Answer/ Hint      

Answer : B

Explanation :

78.

Which part of the brain plays an important role in motor control  ?

Answer/ Hint      

Answer : A

Explanation :

79.

The main protein found in milk is  _____________

Answer/ Hint      

Answer : D

Explanation :

80.

Decoding and interpretation of visual information in brain is associated with

Answer/ Hint      

Answer : C

Explanation :

81.

The causative agent of Tuberculosis is

Answer/ Hint      

Answer : A

Explanation :

82.

Blood cancer I otherwise called as

Answer/ Hint      

Answer : D

Explanation :

83.

Radioimmunoassay (RIA)  is a therapy used

Answer/ Hint      

Answer : D

Explanation :

84.

What is an endoscope  ?

Answer/ Hint      

Answer : A

Explanation :

85.

The disease in which the sugar level of blood increases is known as

Answer/ Hint      

Answer : A

Explanation :

86.

Which one of the following is not a mosquito borne disease  ?

Answer/ Hint      

Answer : C

Explanation :

87.

Which one of the following is  NOT  transmitted via blood transfusion  ?

Answer/ Hint      

Answer : B

Explanation :

88.

Jaundice is a symptom of disease of

Answer/ Hint      

Answer : B

Explanation :

89.

The vaccination against small pox involves the introduction of

Answer/ Hint      

Answer : B

Explanation :

90.

Deficiency of Vitamin B6  in man causes

Answer/ Hint      

Answer : D

Explanation :

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